Oak Hills Place, Louisiana, United States [CDP]; population was 5,479 in 1990; housing units was 2,025 in 1990; location is 30°22'N 91°5'W; land area is 3.08 square miles (1,970 acres); water area is 0.04 square miles (29 acres); FIPS code is 56855 [SourceCBP]